OCR GCSE Biology B · J257
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Loading…
Loading…
Loading…
GCSE Biology · key term
Frequency per unit of class width, calculated by dividing frequency by class width.
Used by OCR
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
When histogram class widths are unequal, obtain frequency from bar area, not bar height alone: frequency = frequency density × class width.
Create a free account to read GCSE Biology revision notes for your exam board and track your progress.